489387580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2224489}}^1$

素因数の和:2224509

約数の個数: 24

約数和(自身を含む): 1121142960

約数和(自身を除く): 631755380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2224489, 4448978, 8897956, 11122445, 22244890, 24469379, 44489780, 48938758, 97877516, 122346895, 244693790, 489387580]

約数ペア:

[(1, 489387580), (2, 244693790), (4, 122346895), (5, 97877516), (10, 48938758), (11, 44489780), (20, 24469379), (22, 22244890), (44, 11122445), (55, 8897956), (110, 4448978), (220, 2224489)]